package com.itheima.service;

import com.alibaba.dubbo.config.annotation.Service;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.itheima.dao.KnowledgeDao;
import com.itheima.entity.PageResult;
import com.itheima.entity.QueryPageBean;
import com.itheima.pojo.FoodBase;
import com.itheima.service.KnowledgeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;


@Service(interfaceClass = KnowledgeService.class)
@Transactional
public class KnowledgeServiceImpl implements KnowledgeService {


    @Autowired
    private KnowledgeDao knowledgeDao;
    @Override
    public void add(List<FoodBase> data) {
        for (FoodBase foodBase : data) {
            knowledgeDao.add(foodBase);
        }

    }

    @Override
    public PageResult pageQuery(QueryPageBean queryPageBean) {
            Integer currentPage = queryPageBean.getCurrentPage();
            Integer pageSize = queryPageBean.getPageSize();
            String queryString = queryPageBean.getQueryString();//查询条件
            //完成分页查询，基于mybatis框架提供的分页助手插件完成
            PageHelper.startPage(currentPage,pageSize);
            //select * from t_checkitem limit 0,10
            Page<FoodBase> page = knowledgeDao.selectByCondition(queryString);
            long total = page.getTotal();
            List<FoodBase> rows = page.getResult();
            return new PageResult(total,rows);
    }
}
